Home / 111,116,473.20-153,350,149.50-61,572,387.78

Finding the Fourth Proportional to 111,116,473.20, 153,350,149.50 and 61,572,387.78

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Solution

The fourth proportional to 111,116,473.20, 153,350,149.50 and 61,572,387.78 is: 84,975,113.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,116,473.20 : 153,350,149.50 = 61,572,387.78 : x
  2. Step 2: Convert to fraction form
    111,116,473.20/153,350,149.50 = 61,572,387.78/x
  3. Step 3: Cross multiply
    111,116,473.20x = 153,350,149.50 × 61,572,387.78
  4. Step 4: Simplify right side
    111,116,473.20x = 9,442,134,871,134,974
  5. Step 5: Solve for x
    x = 9,442,134,871,134,974/111,116,473.20
  6. Step 6: Final answer
    x = 84,975,113.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.